the taliban has been beaten back in many of these areas. as a result we see the high-profile attacks like ambassador crocker mentioned. these are the areas they can strike fear in the lives of anne afghans, and politicians. critical time here. >> thank you. >>> it has been part of american blood, sweat and tears, and today they are symbolically calling it quits. members of the american postal worker's union handle more than 165 billion letters and packages a year. that's about 34 million pounds of mail every day. ever wonder what this costs you as a taxpayer? millions? tens of millions? hundreds of millions? not a single cent. the united states postal service doesn't run on your tax dollars. it's funded solely by stamps and postage. brought to you by the men and women of the american postal worker's union. something that was drilled in me early on, you know, college is the place for you. it's my number one goal. ♪ students like me, who take these ap math and science classes and have these opportunities, this is where the american dream li